In the illustration shown, which pair of...

Question 1 of 270705eccef9abacbc34ba4d450af

In the illustration shown, which pair of letters represent the same physical surface of the component? See illustration GS-0033.

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Question 1 of 27070

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In the illustration shown, which pair of letters represent the same physical surface of the component? See illustration GS-0033.

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🔍 Key Concepts

• Orthographic projection – how a 3‑D part is shown in multiple 2‑D views • Difference between visible lines (solid) and hidden lines (dashed) on a mechanical drawing • How a through hole appears in the side view versus the end (front) view

💭 Think About

• Identify what physical feature each letter (A, B, C, D) is pointing to: is it an outside surface, the inside of the hole, or just a centerline? • Match the side view (left) to the end view (right): if you ‘look from the end’, which line or circle would represent the same area of metal? • Decide which letters are actually pointing to a surface you could touch on the real part, and which are only pointing to a reference line or axis.

✅ Before You Answer

• Make sure each letter you compare refers to a real surface, not a centerline or a hidden axis. • Confirm that the dashed lines in the side view are the projection of the hole shown as a circle in the end view. • Before choosing, mentally rotate the part and ensure both letters could lie on the same continuous face or cylindrical surface of the component.